Q28 of 34 Page 1030

Find the value of λ for which the vectors and are perpendicular to each other.



Since these two vectors are perpendicular, their dot product is zero.








Ans:


More from this chapter

All 34 →
26

If and the coordinates of A are (0, - 2, - 1), find the coordinates of B.

 27

If A(2, 3, 4), B(5, 4, - 1), C(3, 6, 2) and D(1, 2, 0) be four points, show that is perpendicular to

29

Show that the vectors and form a right - angled triangle.

 30

Three vertices of a triangle are A(0, - 1, - 2), B(3, 1, 4) and C(5, 7, 1). Show that it is a right - angled triangle. Also, find its other two angles.